Audio options during install allow users to set output from basic 2.0 channel stereo, right up to 7.1 channel output. The package detects the best proof tested settings with additional options for CPU, GPU, and DXVA compatibility. Compression types supported include AVC, H.264, x264, H.263, H.261, DivX, XviD, Flash Video, VP3-8, Morgan JPEG, MJPEG, MPEG4, MPEG2.

MKV, M2TS, MP4, VOB, OGM, WEBM, FLV, and NUV movie files, as well as AC3, DTS, FLAC, APE, OGG, WV, TTA, OFR, SHN music files, and finally MO3, IT, XM, S3M, MTM, MOD, and UMX tracker audio files. Additional file associations are applied to make Windows Media Player play BDMV (unencrypted BluRay/AVCHD), EVO (unencrypted HD-DVD), NOTE: BluRay and HD-DVD playback is very basic and requires both RedFox AnyDVD HD and compatible hardware. After installation you will be able to play 99.9% of files through your media player.

The Media Player Codec Pack is a free simple to install package of codecs/filters/splitters used for playing back movie and music files.

Windows media player codec pack